Results 11 to 20 of about 44,433 (290)

Theoretical Investigation on the Mechanism and Law of Broadband Terahertz Wave Detection Using Rydberg Quantum State

IEEE Photonics Journal, 2022
The bandwidth and sensitivity of traditional terahertz detection devices are limited by material properties and working temperature. Here, we proposed a four-level Rydberg atom detection method, which can realize real-time detection for the absolute ...
Yanchen Zhou, Ruijie Peng, Jinbiao Zhang, Linjie Zhang, Zhenfei Song, Zhigang Feng, Yan Peng   +6 more
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Terahertz modulation characteristics of three nanosols under external field control based on microfluidic chip

iScience, 2022
Summary: Recently, with the widespread application of metamaterials in the terahertz (THz) modulation field, solid-state THz modulators have made breakthrough progress; however, there are still challenges in preparing flexible THz modulators with wide ...
Qinghao Meng, Jing Ding, Bo Peng, Boyan Zhang, Siyu Qian, Bo Su, Cunlin Zhang   +6 more
doaj   +1 more source

Effect of external magnetic field on terahertz transmission characteristics of electrolyte solution based on microfluidic technology

Results in Optics, 2022
In this study, the effect on the terahertz (THz) transmission characteristics was investigated by varying the constant magnetic field time at both ends of the liquid sample (deionized water, CuSO4, CuCl2, (CH3COO) 2Cu, Na2SO4, NaCl, CH3COONa solution ...
Ping Ye, Haiyun Huang, Siyu Shao, Guoyang Wang, Jiahui Wang, Xuan Liu, Bo Su, Jingsuo He, Cunlin Zhang   +8 more
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Terahertz spectral properties of glucose and two disaccharides in solid and liquid states

iScience, 2022
Summary: The vibrational and rotational frequencies of most biological macromolecules fall within the terahertz (THz) band; therefore, the THz wave has a strong ability to distinguish substances.
Haiyun Huang, Siyu Shao, Guoyang Wang, Ping Ye, Bo Su, Cunlin Zhang   +5 more
doaj   +1 more source

Applications of Terahertz Spectroscopy in the Detection and Recognition of Substances

Frontiers in Physics, 2022
Recently, terahertz spectroscopy has received a lot of attention because of its unique properties such as biosafety, fingerprint spectrum, and good penetration.
Xiaojian Fu, Xiaojian Fu, Yujie Liu, Qi Chen, Yuan Fu, Tie Jun Cui, Tie Jun Cui   +6 more
doaj   +1 more source

Progress in application of terahertz time-domain spectroscopy for pharmaceutical analyses

Frontiers in Bioengineering and Biotechnology, 2023
Terahertz time-domain spectroscopy is an analytical method using terahertz time-domain pulses to study the physical and chemical properties of substances.
Shuteng Huang, Hanxiu Deng, Xia Wei, Jiayu Zhang   +3 more
doaj   +1 more source

Coherent two-dimensional terahertz-terahertz-Raman spectroscopy [PDF]

Proceedings of the National Academy of Sciences, 2016
Significance The thermally populated motions of liquids, including hydrogen bonds, low-energy bending vibrations, conformational torsions, and hindered rotations, are resonant in the terahertz region of the spectrum. These motions regulate solvation, macromolecular structure, and vibrational energy flow in liquid-phase chemistry.
Finneran, Ian A., Welsch, Ralph, Allodi, Marco A., Miller, Thomas F., III, Blake, Geoffrey A.   +4 more
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Using microfluidic technology to measure the terahertz absorption properties of phase-changing thermoregulated emulsions

Materials Research Express, 2022
Phase-changing materials (PCMs) are widely used thermal-energy-storage substances that utilize the absorption and emission of heat during the solid–liquid–solid phase change of a substance to store and release thermal energy, which is closely related to ...
Jing-Yi-Ran Jin, Bo Peng, Qing-Hao Meng, Si-Yu Qian, Bo Su, Hai-Lin Cui, Cun-Lin Zhang   +6 more
doaj   +1 more source

Direct measurement of molecular mobility and crystallisation of amorphous pharmaceuticals using terahertz spectroscopy. [PDF]

, 2016
Despite much effort in the area, no comprehensive understanding of the formation and behaviour of amorphous solids has yet been achieved. This severely limits the industrial application of such materials, including drug delivery where, in principle ...

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Nonlinear two-dimensional terahertz photon echo and rotational spectroscopy in the gas phase [PDF]

, 2016
Ultrafast two-dimensional spectroscopy utilizes correlated multiple light-matter interactions for retrieving dynamic features that may otherwise be hidden under the linear spectrum.
Fleischer, Sharly, Hwang, Harold Y., Lu, Jian, Nelson, Keith A., Ofori-Okai, Benjamin K., Zhang, Yaqing   +5 more
core   +2 more sources